Antimicrobial Chair Mat, Rectangular, 48 x 36, ClearOur new line of EconoMat chair floor mats for hard floors have a non studded bottom surface that provides a superior, non skid grip surface ideal for hardwood, tile, laminate, linoleum or even concrete flooring. Its straight edges create a seamless transition from chair mat to hard floor surface. The EconoMat is also treated with Micropel Antimicrobial Protection, a powerful antimicrobial technology that protects the unwanted growth of mold and mildew